You can learn about the predefined tags in the article Introduction to JSF Core Tags Library . If you are new to JSF please read this article Introduction to Java Server Faces. The sample programs includes how to validate a numeric field. Here you have to focus on how the validation class is implemented and in which phase the methods are called. For your understanding we also included the PhaseListener implementation.

Javabeat has published many of the good articles related to Java Server Faces (JSF). This list will help you to learn the basic concepts on JSF and how to start using in your projects, please have a look on these articles when time permits. Don’t forget to leave your feedback on the comments section. This helps us to provide better content for you.

The above article would provide the higher level of understanding on each concept. If you would like to know all the features in detail, please read any of the JSF books listed in the book recommendations for Java Server Faces (JSF). Hope this helps you!!

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